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Journal of Oral Implantology

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https://www.readbyqxmd.com/read/30011244/real-vs-virtual-position-of-single-implants-installed-in-pre-maxilla-via-guided-surgery-a-proof-of-concept-analyzing-positional-deviations
#1
Flávia Noemy Gasparini Kiatake Fontão, Jacques Luiz, Rubens Moreno Freitas, Luiz Eduardo Marques Padovan, Geninho Thomé, Fernanda Faot
The aim of this research letter was to report the results of a pilot study designed to compare the real and virtual position of implants placed using computer-guided flapless implant surgery for single restorations in the pre-maxilla. A total of 8 patients (2 men and 6 women) with a mean age of 40 years (32-73 years) had a total of 11 implants inserted using a tooth-supported stereolithographic guide. After implant placement, the positions (coronal, central, and apical) and angulation of the implants installed in relation to those planned were determined via the superposition of pre- and postoperative 3D models using Dental Slice software (Bioparts, Brasília, Brazil)...
July 16, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/30011240/association-of-smoking-habits-and-height-of-residual-bone-on-implant-survival-rate-in-lateral-sinus-lift-a-retrospective-study
#2
Luigi Barbato, Niccolò Baldi, Alessio Gonnelli, Marco Duvina, Michele Nieri, Paolo Tonelli
The primary aim was to evaluate the association of patient related factors, biomaterials and implant characteristics on complications' rate of sinus graft surgery and on implant survival rate in grafted sinus. Secondary aims were to measure bone remodelling around implants and the patients' satisfaction. A retrospective cohort study was designed. Patients who had computer tomography before sinus surgery (T0), orthopantomography after implant surgery (T1) and at follow-up (T2), were included. Specific forms were used to collect clinical data...
July 16, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/30011229/influence-of-transmucosal-height-on-loss-of-prosthetic-abutment-torque-after-mechanical-cycling
#3
Karla Regina Nogueira Silva, Júlio Cesar Joly, Daiane Cristina Peruzzo, Marcelo Henrique Napimoga, Elizabeth Martinez
The aim of this study was to measure and record the universal transmucosal abutment height, and evaluate whether it influenced loosening of the abutment screw, by analyzing the torque and detorque values after mechanical cycling. Thirty-six (36) implants, model CM Unitite (SIN), with internal conical connections (3.5 x 10mm) and respective universal prosthetic abutments (n=36, 3.25 x 6mm), were divided into three groups (n=12 each) with respective transmucosal heights of 0.8, 3.5 and 5.5mm. Insertion torque of 20Ncm was used in accordance with the manufacturer's specifications...
July 16, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/30011223/novel-ball-head-screw-and-screwdriver-design-for-implant-supported-prostheses-with-angled-channels-a-finite-element-analysis
#4
Oriol Farré-Berga, Iñaki Cercadillo-Ibarguren, Alba Sánchez-Torres, Carles Domènech-Mestres, F Javier Gil, Tomás Escuin, Esther Berástegui
The primary objective of this study was to design the optimal geometry of a novel screwdriver; create the grooves on a ball head screw; and demonstrate its resistance to a torque of up to 40 Ncm at an angulation of 0, 15 and 30 degrees by using nonlinear finite element analysis. A secondary objective was to create a fool-proof and easily recognizable system. The grooved ball head screw and geometry of the screwdriver, functioning from an angulation of 0° to 30°, was generated using Pro-ENGINEER Wildfire 5...
July 16, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29870309/ultrasound-guided-free-gingival-graft-case-report
#5
Kang-Hee Lee, Ho-Gul Jeong, Eun-Jung Kwak, Wonse Park, Kee-Deog Kim
n/a.
June 5, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29870308/fifteen-years-of-platelet-rich-fibrin-prf-in-dentistry-and-oromaxillofacial-surgery-how-high-is-the-level-of-scientific-evidence
#6
Shahram Ghanaati, Carlos Herrera-Vizcaino, Sarah Al-Maawi, Jonas Lorenz, Richard J Miron, Katja Nelson, Frank Schwarz, Joseph Choukroun, Robert Sader
Platelet-rich fibrin is a blood concentrate system used for soft tissue and bone tissue regeneration. In the last decade, platelet rich fibrin (PRF) has been widely used in different indication fields, particularly in oral and maxillofacial surgery. This review is aimed to investigate the level of scientific evidence of published articles related to the use of PRF for bone and soft tissue regeneration in dentistry and maxillofacial surgery. An electronic literature research using the biomedical search engine "National Library of Medicine" (PubMed-MEDLINE) was performed in May 2017...
June 5, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29870306/patient-s-own-natural-teeth-as-part-of-the-interim-prosthesis-on-immediately-placed-single-implants-in-a-staged-surgical-approach
#7
Sarah Bukhari, Abdulaziz AlHelal, Periklis Proussaefs, Antoanela Garbacea, Mathew Kattadiyil
A technique is described where the tooth's natural crown is used as part of the interim implant supported prosthesis in clinical situations where a tooth with poor prognosis is extracted and an implant is placed immediately after tooth extraction. A preliminary impression is made before tooth extraction, and the exact tooth positioning is assessed in the laboratory as part of the treatment plan. An acrylic resin repositioning jig is fabricated that will guide the clinician in seating and orienting the crown intraorally after implant placement is completed...
June 5, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29870305/a-proposed-method-for-assessing-the-appropriate-timing-of-early-implant-placements-a-case-report
#8
Réka Fazekas, Eszter Molnár, Pál Nagy, Barbara Mikecs, Péter Windisch, Janos Vag
An abstract is not required.
June 5, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29870304/frequency-of-technical-complications-in-fixed-implant-prosthesis-the-effect-of-prosthesis-screw-emergence-correction-by-cad-cam
#9
Eduardo Anitua, Carlos Flores, Laura Piñas, Mohammad Alkhraisat
CAD-CAM technology permits the angular correction of screw emergence into the prosthesis, however there is lack of controlled clinical studies that assess the frequency of technical complications in angled screw channel restorations. This controlled clinical study was designed to assess technical incidences in angled screw channel restorations. Patients having implant prosthesis placed between November, 2014 and December, 2015 were screened. The patients were selected if they received prosthesis with up to 30º correction of the prosthesis screw emergence and had at least one non-angulated prosthesis (screw-retained)...
June 5, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29870295/development-of-antiresorptive-agent-related-osteonecrosis-of-the-jaw-after-dental-implant-removal-a-case-report
#10
Shinsuke Yamamoto, Keigo Maeda, Izumi Kouchi, Yuzo Hirai, Naoki Taniike, Daisuke Yamashita, Yukihiro Imai, Toshinobu Takenobu
Dental implant treatment is a highly predictable therapy, but when potentially lethal symptoms or complications occur, dentists must remove the implant fixture. Reports on antiresorptive agent-related osteonecrosis of the jaw have increased in the field of dental implants recently, although the relationship between dental implant treatment and antiresorptive agents remains unclear. Here we report a case of antiresorptive agent-related osteonecrosis of the jaw that developed after dental implant removal. A 67-year-old Japanese woman with a medical history of osteoporosis and 7 years of oral bisphosphonate treatment was referred to our hospital with a chief complaint of painful right mandibular bone exposure...
June 5, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29864381/current-evidence-on-dental-implants-outcomes-in-smokers-and-non-smokers-a-systematic-review-and-meta-analysis
#11
Sara Alfadda
OBJECTIVE: To answer the following PICO question: "Does smoking increase the rates of implant failure and peri-implant marginal bone loss in patients with dental implants?" METHODOLOGY: An extensive electronic search of the Cochrane Central Register of Controlled Trials, PubMed, Medline, Embase, and Web of Science databases and a subsequent hand search were performed. Only RCTs, CCTs and prospective studies published up to January 2017 were included. For dichotomous outcomes, the effect estimates for smoking are expressed as odds ratios (ORs) and 95% confidence intervals (CIs)...
June 4, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29781768/guided-bone-regeneration-and-implant-placement-in-association-with-a-coronally-positioned-palatal-sliding-flap-a-17-year-follow-up-case-report
#12
Carlo Maiorana, Pier Paolo Poli, Mario Beretta
The aim of the present case report was to show the 17-year hard and soft tissues stability of guided bone regeneration procedure associated with dental implants insertion. A 52-year-old male patient presented with a partial edentulism in the upper right maxilla. A graft consisting of deproteinized bovine bone mineral and autogenous bone stabilized by a non-resorbable expanded polytetrafluoroethylene membrane was used to reconstruct the missing bone applying the biological principles of guided bone regeneration...
May 21, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29781765/individualized-titanium-mesh-combined-with-platelet-rich-fibrin-and-deproteinized-bovine-bone-a-new-approach-for-challenging-augmentation
#13
Jonas Lorenz, Sarah Al-Maawi, Robert Sader, Shahram Ghanaati
Autologous bone transfer is regarded as the gold standard for ridge augmentation before dental implantation, especially in severe bony defects caused by tumor resection or atrophy. In addition to the advantages of autologous bone, transplantation has several disadvantages, such as secondary operation, increased morbidity and pain. The present study reports, for the first time, a combination of a xenogeneic bone substitute (BO) with platelet-rich fibrin (PRF), which is a fully autologous blood concentrate derived from the patient's own peripheral blood by centrifugation...
May 21, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29608393/histological-comparison-of-new-bone-formation-using-amnion-membrane-graft-vs-resorbable-collagen-membrane-an-animal-study
#14
Soheil Koushaei, Mohammad Hassan Samandari, Sayed Mohammad Razavi, Ahad Khoshzaban, Shahriar Adibi, Payam Varedi
The purpose of this article was to evaluate the bone induction effects of an amnion membrane protected graft compared with collagen membrane protected graft in repair of tibial bony defects in dogs. This study was performed using the tibial bone of dogs. After the removal of periostium, similar holes were made with a 16 mm trephine drill (38 holes in total). For the study group ten holes were covered by absorbable collagen and 16 holes by amniotic membrane. In control group 12 holes were made and were covered by the overlying soft tissue...
May 21, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29763362/fracture-strength-and-precision-of-fit-of-implant-retained-monolithic-zirconia-crowns
#15
Pauliina Moilanen, Jenni Hjerppe, Lippo Lassila, Timo Närhi
OBJECTIVES: To examine fracture strength and precision of fit of screw-retained anterior monolithic zirconia crowns made directly on implants or by cementing on prefabricated titanium bases, and to compare these to industrially produced Procera crowns. . MATERIALS AND METHODS: Monolithic screw-retained implant crowns were produced by CAD/CAM method (Zirkonzahn, Italy) using either partially (PSZ, Prettau, Zirconzahn, Italy) or fully stabilized (FSZ, Prettau Anterior, Zirkonzahn) zirconia...
May 15, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29763360/three-dimensional-finite-element-analisys-of-stress-distribution-in-zirconia-and-titanium-dental-implants
#16
Camilo Andres Villabona, Marco Antônio Amorin Vasco, Edwin Ruales, Karin Apaza Bedoya, Cesar Magalhães Benfatti, Osvaldo Luis Bezzon, Tatiana Miranda Deliberador
Zirconia has been presented as an alternative biomaterial to titanium, commercially presented as a single body implant and / or as an abutment, demonstrating clinically biocompatible favorable results in white and rose aesthetics, However, the amount of long-term in-vivo studies and mechanical tests evaluating the response of stress distribution compared with titanium implants are still limited. The aim of the study was to compare by the finite element method, the principal stresses peaks in the peri implantar bone around titanium and zirconia implants...
May 15, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29763343/clinical-and-patient-related-outcomes-of-a-tapered-implant-system-with-switched-platform-conical-abutments-a-private-practice-field-trial
#17
Jacob Horwitz, Eli E Machtei, Shai Frankental, Eran Gabay, Yaniv Mayer, Livia Joseph, Omer Cohen
The aim of this prospective cohort observational field trial was to examine 1-year survival and success rates of a recently introduced tapered implant system with switched platform conical abutments and to evaluate patient related outcomes of therapy. Partially edentulous patients aged between 18-75, with available bone height for dental implants ≥ 10mm mm. desiring to restore the missing tooth/teeth with implant supported restoration, were recruited by seven periodontists in their respective private practices...
May 15, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29763338/retrieval-of-an-unusually-displaced-implant-with-healing-cap-into-the-mandibular-canal
#18
Vugar Gurbanov, Damla Torul, Dilara Kazan
Accidental displacement of dental implants into the anatomical spaces is a rare complication which may accompanied by tissue damage, functional disturbance, psychological distress and medico-legal conditions. The aim of this report is to present an unusual case of dental implant which displaced into the mandibular canal, and to highlight the importance of adequate preoperative planning and surgical knowledge.
May 15, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29717922/clinical-and-radiographic-evaluation-of-short-implants-placed-in-the-posterior-mandible-a-one-year-pilot-split-mouth-study
#19
Mireia Haro Adanez, Miha Brezavšček, Kirstin Vach, Manrique Fonseca, Wael Att
In many cases, due to anatomical limitations, the placement of regular-length implants cannot be facilitated without the performance of advanced surgical procedures. However, these are associated with morbidity, prolonged treatment time and costs. To overcome such disadvantages, short implants were introduced. The aim of this prospective pilot split-mouth study was to compare the clinical outcome between short implants (7 mm) and regular-length (≥10mm) implants placed in the posterior mandible after 1 year of prosthetic delivery...
May 2, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29717909/a-technique-of-cbct-superimposition-in-implant-dentistry
#20
Leonardo Koerich, André Weissheimer, Lindsey Eidson Koerich, Diandra Luz, Janina Golob Deeb
An abstract is not required.
May 2, 2018: Journal of Oral Implantology
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